search

Home  >  Article  >  Backend Development  >  How to get the drop-down list value and number of elements in js

How to get the drop-down list value and number of elements in js

WBOY
WBOYOriginal
2016-07-25 09:12:431210browse

例子，js获取下拉列表框元素个数。

  5. <script></li> <li>function getLength()</li> <li>{</li> <li>alert(document.getElementById("mySelect").length);//元素个数</li> <li>}</li> <li></script>
复制代码


Statement：
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Previous article：PHP batch delete mySQL database recordsNext article：PHP batch delete mySQL database records

Related articles

See more